Cavity Barrier InstallationsProfessional Cavity Barrier Services
A cavity barrier is a space enclosed by elements of a building (including a suspended ceiling) or contained within an element, but that is not a room, cupboard, circulation space, protected shaft, or space within a flue, chute, duct, pipe or conduit.
Cavity barriers are a construction within a cavity, other than a smoke curtain, to perform either of the following functions.
- Close a cavity to stop smoke or flame entering.
- Restrict the movement of smoke or flame within a cavity
As most buildings contain a multitude of concealed cavities and voids within walls, floors, ceilings and roofs, effective cavity barriers are essential to restrict the spread of smoke or flames. If there is a fire, the intumescent material which makes up the barrier will expand, sealing off the gaps.
Cavity barriers are typically pieces of fire-stopping material which are fitted within building cavities -horizontally at each floor, and vertically at each party wall. This assists with fire compartmentation.
Cavity Barrier Installation Example
The location of each cavity will determine the appropriate maximum distance between the barriers, as well as the class of surface which is exposed within the cavity. The performance of cavity barriers much be maintained throughout the lifecycle of a building, with consideration given to any building movement due to subsidence, shrinkage, and so on.
Cavity barriers must be fitted tightly to rigid construction, or suitably fire-stopped at a junction between itself and construction to which it cannot be fitted so tightly (e.g. slates, tiles, sheeting, etc.). The likelihood of the fixings failing in the event of a fire should be carefully considered. Services that may run through a barrier should be fire-stopped using appropriate materials
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CSB Fire Protection is one of the UK’s premier IFC certified fire protection service providers. We offer our clients a wealth of experience and knowledge on an extensive range of passive fire control solutions.
We provide outstanding quality standards on a wide range of fire prevention and protection services including site inspections, fire safety upgrades, technical advice, installations, and product solutions.
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